- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 27/28 - Systems using multi-frequency codes with simultaneous transmission of different frequencies each representing one code element
Patent holdings for IPC class H04L 27/28
Total number of patents in this class: 1199
10-year publication summary
|
50
|
48
|
36
|
39
|
26
|
24
|
27
|
15
|
8
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 158605 |
98 |
| Qualcomm Incorporated | 93006 |
84 |
| LG Electronics Inc. | 75910 |
63 |
| Huawei Technologies Co., Ltd. | 124379 |
55 |
| Ericsson | 22929 |
46 |
| Marvell Asia PTE, Ltd. | 6258 |
35 |
| Cavium International | 4581 |
33 |
| Apple Inc. | 59117 |
29 |
| Intel Corporation | 47162 |
23 |
| Electronics and Telecommunications Research Institute | 9697 |
22 |
| Texas Instruments Incorporated | 19639 |
20 |
| Sun Patent Trust | 1999 |
20 |
| Avago Technologies International Sales Pte. Limited | 8536 |
17 |
| Google Technology Holdings LLC | 2052 |
15 |
| Marvell International Ltd. | 1057 |
12 |
| ZTE Corporation | 44288 |
12 |
| Comcast Cable Communications, LLC | 5202 |
12 |
| NXP USA, Inc. | 4406 |
12 |
| Sharp Corporation | 10847 |
11 |
| Nokia Technologies Oy | 21548 |
11 |
| Other owners | 569 |